Respuesta :

msm555

Answer:

Solution given:

net surface area=9×(3+5+3+5)+2(3×5)=174in² is your answer.

  • L=5
  • B=3
  • H=9

TSA

  • 2(LB+BH+LH)
  • 2(5×3+3×9+5×9)
  • 2(15+27+45)
  • 2(42+45)
  • 2(87)
  • 174in²